CVE-2025-1011

EUVD-2025-1966
A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
Code Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
mozillafirefox_esr
𝑥
< 128.7.0
mozillafirefox
𝑥
< 135.0
mozillathunderbird
𝑥
< 135.0
mozillathunderbird_esr
128.0.1 ≤
𝑥
< 128.7.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
firefox
sid
149.0.2-1
fixed
firefox-esr
bookworm
128.14.0esr-1~deb12u1
fixed
bookworm (security)
140.9.1esr-1~deb12u1
fixed
bullseye
vulnerable
bullseye (security)
140.9.1esr-1~deb11u1
fixed
forky
140.9.1esr-1
fixed
sid
140.9.1esr-1
fixed
trixie
140.8.0esr-1~deb13u1
fixed
trixie (security)
140.9.1esr-1~deb13u1
fixed
thunderbird
bookworm
1:140.6.0esr-1~deb12u1
fixed
bookworm (security)
1:140.9.1esr-1~deb12u1
fixed
bullseye
vulnerable
bullseye (security)
1:140.9.1esr-1~deb11u1
fixed
forky
1:140.9.0esr-1
fixed
sid
1:140.9.1esr-1
fixed
trixie
1:140.8.0esr-1~deb13u1
fixed
trixie (security)
1:140.9.1esr-1~deb13u1
fixed
Common Weakness Enumeration
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1936454
https://www.mozilla.org/security/advisories/mfsa2025-07/
https://www.mozilla.org/security/advisories/mfsa2025-09/
https://www.mozilla.org/security/advisories/mfsa2025-10/
https://www.mozilla.org/security/advisories/mfsa2025-11/
https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html
https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html